{
  "service-function-chains": {
    "service-function-chain": [
      {
        "name": "sfc-chain-1",
        "symmetric": true,
        "sfc-service-function": [
          {
            "name": "firewall-abstract1",
            "type": "service-function-type:firewall"
          },
          {
            "name": "firewall-abstract2",
            "type": "service-function-type:firewall"
          }
        ]
      }
 
    ]
  }
}